<template>
  <div id="app">
    <keep-alive>
      <router-view></router-view>
    </keep-alive>
  </div>
</template>
<style lang="scss">
@import "./style/common";
.router-fade-enter-active,
.router-fade-leave-active {
  transition: opacity 0.3s;
}
.router-fade-enter,
.router-fade-leave-active {
  opacity: 0;
}
</style>
